Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/85-16 | 160/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.37 (618.9) | 22.04 (559.8) | -2.33 (-59.1) -9.5% |
| Width inches (mm) | 4.92 (125) | 6.3 (160) | 1.38 (35) 28% |
| Circum. inches (mm) | 76.55 (1944.33) | 69.24 (1758.66) | -7.31 (-185.67) -9.5% |
| Sidewall Height inches (mm) | 4.18 (106.25) | 2.52 (64) | -1.66 (-42.25) -39.8% |
| Revolutions per mile (km) | 827.71 (514.31) | 915.09 (568.61) | 87.38 (54.3) 10.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.09 mph (29.11 km/h) |
| 25 mph (40.23 km/h) | 22.61 mph (36.39 km/h) |
| 30 mph (48.28 km/h) | 27.14 mph (43.67 km/h) |
| 35 mph (56.33 km/h) | 31.66 mph (50.95 km/h) |
| 40 mph (64.37 km/h) | 36.18 mph (58.23 km/h) |
| 45 mph (72.42 km/h) | 40.7 mph (65.51 km/h) |
| 50 mph (80.47 km/h) | 45.23 mph (72.78 km/h) |
| 55 mph (88.51 km/h) | 49.75 mph (80.06 km/h) |
| 60 mph (96.56 km/h) | 54.27 mph (87.34 km/h) |
| 65 mph (104.61 km/h) | 58.79 mph (94.62 km/h) |
| 70 mph (112.65 km/h) | 63.32 mph (101.9 km/h) |
| 75 mph (120.7 km/h) | 67.84 mph (109.18 km/h) |
| 80 mph (128.75 km/h) | 72.36 mph (116.45 km/h) |
| 85 mph (136.79 km/h) | 76.88 mph (123.73 km/h) |
| 90 mph (144.84 km/h) | 81.41 mph (131.01 km/h) |
| 95 mph (152.89 km/h) | 85.93 mph (138.29 km/h) |
| 100 mph (160.93 km/h) | 90.45 mph (145.57 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2329 | 2705 | 2913 | 3042 | 3181 | 3280 | 3389 | 3518 | 3696 | 3875 | 4073 | 4231 | 4519 | 4836 | 5084 | 5242 | 5331 | 5658 | 6114 | 7105 |
Better Fuel Economy Factory Ratios Increased Power
